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List of designated water supply equipment construction companies

Last update date September 1, 2020

Designated system of designated water supply equipment construction company is founded by water supply law revision of 1996, and designated water supply equipment construction company is person whom water supply company appointed based on application of person performing the cause of national flat requirements, business of water supply equipment construction as construction company.
When we perform water supply works such as new establishment, remodeling, removal of water supply equipment in the Yokohama city, "the water supply method", application by Yokohama-shi-designated water supply equipment construction company and construction are necessary based on regulations of "the Yokohama-shi Channel regulations".

Precaution when we ask for construction

Water supply equipment is possession of customer, and contract of water supply works has you contract with you between designated water supply equipment construction company.
When you ask, about the next contents, you confirm well, and please do request (contract) after having had you understand.
1.Please explain contents of construction that customer hopes for and the local situation enough in water supply works shop.
2.In construction contents, the time required, please receive enough explanation about approximations beforehand.
3.You take quotation out of plural people if possible, and please examine contents. In addition, please confirm beforehand as there may be a charge for estimate.
4.When you cannot understand the bill, you demand the presentation of breakdown of the bill, and please confirm any unclear points.
5.Please confirm any unclear points on construction on the spot to construction company.
6.When you urgently ask in night time on holiday, please confirm beforehand as rate may be higher than usual.
7.As you may leak water after some repair at other places getting older when water pipe leaks water for deterioration, please be careful.
8.After the repair construction completion, please submit water supply equipment construction (repair construction) registration form (PDF: 65KB) to each water supply office (PDF: 386KB) having jurisdiction over.

List of administrative distinction-designated water supply equipment construction companies

・Please click administrative section that you want to confirm.
・List of administrative distinction-designated water supply equipment construction companies is all PDF file.
・We publish for each location of construction company.

Inquiry about water supply to Water Works Bureau customer Service Center

Water Works Bureau customer Service Center

Telephone: 045-847-6262 fax: 045-848-4281
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Inquiry to this page

Water Works Bureau water supply Service Department water supply maintenance section

Telephone: 045-671-3069

Telephone: 045-671-3069

Fax: 045-212-1167

E-Mail address [email protected]

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